Keisuke Omoto, Kanagawa JP

Keisuke Omoto, Kanagawa JP

Patent application number

Description

Published

20100085340

Display apparatus - A display apparatus includes a panel in which a plurality of pixels illuminated by self-luminous elements are arranged in a matrix and a photodetector disposed on a back surface of the panel for measuring the luminance of the pixels. Each of the pixels has an aperture portion on a reflective layer provided below a luminous layer, to transmit light emitted from the luminous layer.

04-08-2010

20100117932

Display device and electronic product - A display device includes: a screen unit; a drive unit; and a signal processing unit, wherein the screen unit includes rows of scanning lines, columns of signal lines, matrix-state pixel circuits and a light sensor, the drive unit includes a scanner supplying a control signal to the scanning lines and a driver supplying a video signal to the signal lines, the screen unit is sectioned into plural regions each having plural pixel circuits, the pixel circuit emits light in accordance with the video signal, the light sensor is arranged with respect to each region and outputs a luminance signal in accordance with the light emission; and the signal processing unit corrects the video signal in accordance with the luminance signal and supplies the signal to the driver.

05-13-2010

20100259468

Display apparatus - Disclosed herein is a display apparatus, including, a panel having a plurality of pixels disposed in a matrix and each including a self-luminous element for emitting light, the panel including first to third conductive layers laminated in order on a supporting substrate, a first contact portion between the first and second conductive layers and a second contact portion between the second and third conductive layers being disposed at the same position in a planar direction.

10-14-2010

20100265233

Display apparatus and driving controlling method - Disclosed herein is a display apparatus, including, a pixel array section including a plurality of pixels disposed in rows and columns, a number of power supply lines equal to the number of the rows of the pixels, each of the power supply lines being wired commonly to those of the pixels which are juxtaposed in a direction of a row, and a power supplying section adapted to supply a predetermined power supply potential to the pixels in the rows through the power supply lines.

10-21-2010

20100289787

Display apparatus and driving controlling method - Disclosed herein is a display apparatus, including, a pixel array section including a plurality of pixels disposed in rows and columns, and a number of power supply lines and scanning lines equal to the number of the rows of the pixels, each of the power supply lines being wired commonly to those of the pixels which are juxtaposed in a direction of a row.

11-18-2010

20100309178

PIXEL SELECTION CONTROL METHOD, DRIVING CIRCUIT, DISPLAY APPARATUS, AND ELECTRONIC INSTRUMENT - A pixel selection control method, driving circuit, display apparatus and electronic instrument are disclosed. A driving circuit includes a logic circuit configured to receive a reference signal associated with a line of pixels. The reference signal has a first logic level or a second logic level. The driving circuit also includes a switch circuit configured to receive the reference signal and an enable signal, and to provide the enable signal to the logic circuit when the reference signal is at the first logic level. A display apparatus may be provided that includes the driving circuit.

12-09-2010

20110157117

DRIVE CIRCUIT AND DISPLAY DEVICE - A drive circuit includes: an input-side inverter circuit and an output-side inverter circuit connected to each other in series and inserted between a high voltage line and a low voltage line. The output-side inverter circuit includes a CMOS transistor having a first gate and a second gate, in which a drain is connected to the high voltage line side and a source is connected to an output side of the output-side inverter circuit. The output-side inverter circuit further includes a MOS transistor in which a drain is connected to the low voltage line side and a source is connected to the output side of the output-side inverter circuit. The output-side inverter circuit further includes a correction circuit correcting a voltage of one or both of the two gates of the CMOS transistor.

06-30-2011

20110157118

DRIVE CIRCUIT AND DISPLAY DEVICE - A drive circuit includes an input-side inverter circuit and an output-side inverter circuit connected to each other in series and inserted between a high voltage line and a low voltage line. The output-side inverter circuit includes a first transistor of a dual-gate first electro-conductive type having a drain connected to the high voltage line side and a source connected to an output side of the output-side inverter circuit. The output-side inverter circuit further includes a second transistor of a dual-gate second electro-conductive type having a drain connected to the high voltage line side and a source connected to the output side of the output-side inverter circuit. The output-side inverter circuit further includes a third transistor having a drain connected to the low voltage line side and a source connected to the output side of the output-side inverter circuit.

06-30-2011

20110157119

DRIVE CIRCUIT AND DISPLAY DEVICE - The present invention provides a drive circuit and a display device realizing reduced variations in both a trailing timing and a rising timing of output voltage. The drive circuit includes an input-side inverter circuit and an output-side inverter circuit connected to each other in series and inserted between a high-voltage line and a low-voltage line. The output-side inverter circuit includes: a first transistor having a drain connected to the high-voltage line side and a source connected to an output side of the output-side inverter circuit; a second transistor having a drain connected to the low-voltage line side and a source connected to an output side of the output-side inverter circuit; and a correction circuit correcting gate voltage of the first and second transistors.

06-30-2011

20110221713

DISPLAY DEVICE, DRIVING METHOD OF DISPLAY DEVICE AND ELECTRONIC APPARATUS - A display device includes: a pixel array unit in which plural pixels are arranged, each including an electro-optic device, a write transistor writing a video signal, a storage capacitor storing the video signal written by the write transistor and a drive transistor driving the electro-optic device based on the video signal stored in the storage capacitor, which have a function of correcting mobility of the drive transistors; and a scanning circuit giving a write scanning signal to gate electrodes of the write transistors while sequentially scanning respective pixels in the pixel array row by row as well as generating the write scanning signal based on respective timings of rising and falling of one pulse-state power source potential.

09-15-2011

20110234567

DRIVE CIRCUIT AND DISPLAY DEVICE - The present invention provides a drive circuit and a display device realizing reduced variations at both a trailing timing and a rising timing of output voltage. The drive circuit includes an input-side inverter circuit and an output-side inverter circuit connected to each other in series and inserted between a high-voltage line and a low-voltage line. The output-side inverter circuit includes: a first transistor having a drain connected to the high-voltage line side and a source connected to an output side of the output-side inverter circuit; a second transistor having a drain connected to the low-voltage line side and a source connected to an output side of the output-side inverter circuit; and a correction circuit correcting gate voltage of each of the first and second transistors.

09-29-2011

20110241001

DISPLAY APPARATUS, METHOD OF MANUFACTURING DISPLAY APPARATUS, AND ELECTRONIC APPARATUS - A display apparatus includes a plurality of pixels each including an electro-optic element, a writing transistor writing a video signal into the pixel, a holding capacitor holding the video signal written by the writing transistor, and a driving transistor driving the electro-optic element based on the video signal held in the holding capacitor. The driving transistor includes a channel region, a gate electrode disposed opposite to the channel region, a first source/drain region closer to a power source, a second source/drain region closer to the electro-optic element, and impurity regions disposed between the channel region and the first and second source/drain regions and having a lower concentration than that of the corresponding source/drain region. The impurity region disposed between the channel region and the first source/drain region is formed in a region other than a region facing the gate electrode.

10-06-2011

20110242068

DISPLAY DEVICE AND ELECTRONIC APPLIANCE - A display device includes: a plurality of arranged pixels, each of which includes an electro-optical component, a write-in transistor writing an image signal in a pixel, a maintenance capacity maintaining the image signal written by the write-in transistor, and a driving transistor driving the electro-optical component based on the image signal maintained by the maintenance capacity; wherein the driving transistor has a sandwich gate structure in which a channel region is sandwiched between two gate electrodes, and the electro-optical component is formed so that at least a portion of one of the two gate electrodes and an anode electrode are opposite to each other.

10-06-2011

20120175645

ORGANIC EL DISPLAY DEVICE AND ELECTRONIC APPARATUS - An organic EL display device includes organic EL elements provided for respective pixels. Each organic EL element has first and second electrodes between which an organic layer is provided and has a region that contributes to light emission and a region that does not contribute to light emission. A capacitor is formed between the first and second electrodes in the region that does not contribute to light emission and is used as a capacitance element in a drive circuit for the organic EL element.

07-12-2012

20120176045

ORGANIC EL DISPLAY UNIT AND ELECTRONIC APPARATUS - An organic EL display unit applying a bottom-emission structure which takes light emitted from organic EL devices from the reverse side of a substrate on which pixel circuits are formed, includes: a color filter formed on the pixel circuit; and a metal wiring formed so as to surround the periphery of the color filter, wherein the metal wiring is set to an anode potential of the organic EL device.

07-12-2012

20120187425

ORGANIC EL DISPLAY AND ELECTRONIC APPARATUS - Disclosed herein is an organic EL display device in which pixels each including an organic EL element formed by interposing an organic layer between an anode electrode and a cathode electrode are arranged in a matrix, the organic EL display device including: a common layer configured to be included in the organic EL element and be formed in the organic layer in common to the pixels; and a metal interconnect configured to surround periphery of the anode electrode and be electrically connected to the organic layer, wherein potential of the metal interconnect is set to a potential lower than potential of the anode electrode in a non-light-emission state of the organic EL element.

07-26-2012

20120200555

ORGANIC ELECTROLUMINESCENCE DISPLAY AND ELECTRONIC EQUIPMENT - An organic electroluminescence display has a bottom emission structure in which a white organic electroluminescence element adapted to emit white light is formed, pixel by pixel, on a substrate, and in which light emitted by the white organic electroluminescence element is extracted from a rear side of the substrate. The organic electroluminescence display includes: a color filter used in combination with the white organic electroluminescence element to extract light of different colors; and metal interconnects formed, pixel by pixel, in such a manner as to surround a light-emitting section of the white organic electroluminescence element and the color filter.

08-09-2012

20120249401

DISPLAY PANEL, DISPLAY DEVICE AND ELECTRONIC APPARATUS - A display panel includes: plural display pixels arranged in a matrix state, wherein each display pixel includes an organic EL device and a pixel circuit driving the organic EL device, the organic EL device is formed by stacking a first electrode connected to the pixel circuit, a light emitting layer and a second electrode, and the second electrode is a strip electrode shared by plural organic EL devices arranged in a row direction or in a column direction.

10-04-2012

20120249454

DISPLAY DEVICE AND ELECTRONIC UNIT - A display device includes: a first substrate having a light extraction plane; a plurality of first electrodes; an organic electroluminescence layer; a second electrode; a second substrate; a sensing electrode allowing an object to be detected; and a driving electrode forming a capacitance with the sensing electrode and allowing the object to be detected. The first electrodes, the organic electroluminescence layer, the second electrode, and the second substrate are provided in this order on the first substrate. The sensing electrode and the driving electrode are provided, in this order from a first substrate side, between the first substrate and the second substrate.

10-04-2012

20120249503

DISPLAY AND ELECTRONIC DEVICE - A display capable of reducing an electric effect of a color filter on a pixel circuit, and thereby suppressing degradation in display quality is provided. The display includes a pixel drive substrate having a color filter, a display function layer provided on the pixel drive substrate, a first electrode and a second electrode to supply a drive voltage to the display function layer, and a third electrode disposed to face the color filter.

10-04-2012

20120249515

DISPLAY PANEL, DISPLAY DEVICE, AND ELECTRONIC INSTRUMENT - A display panel includes, for each pixel, a self light emitting device and a pixel circuit driving the self light emitting device. The pixel circuit has a retention capacitor, a first transistor writing a voltage corresponding to a video signal in the retention capacitor, and a second transistor driving the self light emitting device based on the voltage of the retention capacitor, and the display panel has a light exit face discharging a light emitted from the self light emitting device to outside and also has a light blocking layer blocking an external light introduced from the light exit face to the first transistor.

10-04-2012

20120256556

LIGHT-EMITTING PANEL, DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - Disclosed herein is a light-emitting panel including: an organic electroluminescence element adapted to emit electroluminescence light toward a transparent substrate; a pixel circuit formed on the transparent substrate and adapted to drive the organic electroluminescence element; a color filter formed not only between the transparent substrate and organic electroluminescence element but also immediately on or above the pixel circuit; and a conductive layer formed between the pixel circuit and color filter, the conductive layer being more conductive than the color filter.

10-11-2012

20120287092

DISPLAY DEVICE AND ELECTRONIC APPARATUS - A display device includes a control line through which a drive signal output from a driver is transmitted and transistors arranged along a direction in which the control line extends and driven with the drive signal transmitted through the control line. Parasitic capacitances between gates and sources/drains of the transistors are varied in accordance with distances thereof from the driver in the direction in which the control line extends.

11-15-2012

20120326952

DISPLAY APPARATUS, METHOD OF MANUFACTURING DISPLAY APPARATUS, AND ELECTRONIC APPARATUS - A display apparatus includes a plurality of pixels each including an electro-optic element, a writing transistor writing a video signal into the pixel, a holding capacitor holding the video signal written by the writing transistor, and a driving transistor driving the electro-optic element based on the video signal held in the holding capacitor. The driving transistor includes a channel region, a gate electrode disposed opposite to the channel region, a first source/drain region closer to a power source, a second source/drain region closer to the electro-optic element, and impurity regions disposed between the channel region and the first and second source/drain regions and having a lower concentration than that of the corresponding source/drain region. The impurity region disposed between the channel region and the first source/drain region is formed in a region other than a region facing the gate electrode.

12-27-2012

20130057456

DISPLAY PANEL, DISPLAY, AND ELECTRONIC UNIT - A display panel includes a unit for each sub-pixel, the unit including a plurality of openings, the unit having an array structure in which the openings are arranged in a close packing manner. In the array structure of the unit, when a single virtual opening is placed within a peripheral region of the unit, and a center of the virtual opening and centers of a plurality of openings located adjacent to the virtual opening are connected to one another by straight lines, only one basic figure for the arrangement in the close packing manner is created but two basic figures therefor are not created.

03-07-2013

20130057457

PIXEL CIRCUIT, DISPLAY PANEL, DISPLAY UNIT, AND ELECTRONIC SYSTEM - A pixel circuit includes: a writing circuit that samples a voltage of a signal line; and a driving circuit that generates from the signal line a current that depends on an output of the writing circuit, and delivers the current to a light-emitting device of a current-drive type.

03-07-2013

20130057523

DISPLAY PANEL AND DISPLAY - A display panel includes, for each pixel, an organic EL device and a pixel circuit. The pixel circuit has a first transistor to write an image signal and a second transistor to drive the organic EL device based on the image signal written by the first transistor, the second transistor having a gate, a source, and a drain. The organic EL device has an anode, an organic layer, and a cathode. The gate of the second transistor is a simple structure of a transparent conductive layer, or a stacked structure of a transparent conductive layer and a metallic conductive layer. The anode of the organic EL device has a layer that is formed on a same layer as the transparent conductive layer and is formed of a same material as the transparent conductive layer.

DISPLAY UNIT AND ELECTRONIC APPARATUS - A display unit includes: a display panel including, for each pixel, four or more types of sub-pixels that are different from one another in luminescent colors; and a driving circuit applying a pulse based on an image signal to each of the sub-pixels, and applying, when the sub-pixels include a sub-pixel of a defect dot, a compensated pulse configured to correct the defect dot to the sub-pixels that are adjacent or close to the sub-pixel of the defect dot.

06-13-2013

20130234624

DISPLAY PANEL, DISPLAY UNIT, AND ELECTRONIC APPARATUS - A display panel is provided with a plurality of pixels each including: a plurality of light emitting devices connected in parallel to one another, wherein each of the light emitting devices includes a transparent electrode, a reflecting electrode, and an organic layer interposed between the transparent electrode and the reflecting electrode, and the organic layer has a light emitting layer; a pixel circuit driving the light emitting devices; and a plurality of wiring lines connecting each of the light emitting devices and the pixel circuit directly to each other, wherein each of the wiring lines is provided in a same plane as the reflecting electrode, and has a width smaller than a width of the reflecting electrode.

09-12-2013

20140049154

ORGANIC EL DISPLAY UNIT AND ELECTRONIC APPARATUS - An organic EL display unit applying a bottom-emission structure which takes light emitted from organic EL devices from the reverse side of a substrate on which pixel circuits are formed, includes: a color filter formed on the pixel circuit; and a metal wiring formed so as to surround the periphery of the color filter, wherein the metal wiring is set to an anode potential of the organic EL device.

02-20-2014

20140124765

ORGANIC EL DISPLAY DEVICE AND ELECTRONIC APPARATUS - Disclosed herein is an organic EL display device in which pixels each including an organic EL element formed by interposing an organic layer between an anode electrode and a cathode electrode are arranged in a matrix, the organic EL display device including: a common layer configured to be included in the organic EL element and be formed in the organic layer in common to the pixels; and a metal interconnect configured to surround periphery of the anode electrode and be electrically connected to the organic layer, wherein potential of the metal interconnect is set to a potential lower than potential of the anode electrode in a non-light-emission state of the organic EL element.

LIGHT-EMITTING PANEL, DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - Disclosed herein is a light-emitting panel including: an organic electroluminescence element adapted to emit electroluminescence light toward a transparent substrate; a pixel circuit formed on the transparent substrate and adapted to drive the organic electroluminescence element; a color filter formed not only between the transparent substrate and organic electroluminescence element but also immediately on or above the pixel circuit; and a conductive layer formed between the pixel circuit and color filter, the conductive layer being more conductive than the color filter.

PIXEL SELECTION CONTROL METHOD, DRIVING CIRCUIT, DISPLAY APPARATUS AND ELECTRONIC INSTRUMENT - A pixel selection control method, driving circuit, display apparatus and electronic instrument are disclosed. A driving circuit includes a logic circuit configured to receive a reference signal associated with a line of pixels. The reference signal has a first logic level or a second logic level. The driving circuit also includes a switch circuit configured to receive the reference signal and an enable signal, and to provide the enable signal to the logic circuit when the reference signal is at the first logic level. A display apparatus may be provided that includes the driving circuit.

03-12-2015

20150070335

PIXEL SELECTION CONTROL METHOD, DRIVING CIRCUIT, DISPLAY APPARATUS AND ELECTRONIC INSTRUMENT - A pixel selection control method, driving circuit, display apparatus and electronic instrument are disclosed. A driving circuit includes a logic circuit configured to receive a reference signal associated with a line of pixels. The reference signal has a first logic level or a second logic level. The driving circuit also includes a switch circuit configured to receive the reference signal and an enable signal, and to provide the enable signal to the logic circuit when the reference signal is at the first logic level. A display apparatus may be provided that includes the driving circuit.